Fabianite Explained

Fabianite
Category:	Phylloborates
Formula:	CaB3O5(OH)
Imasymbol:	Fbn^[1]
Strunz:	6.FC.20
System:	Monoclinic
Class:	Prismatic (2/m) (same H-M symbol)
Symmetry:	P21/a

Fabianite is a borate mineral with the chemical formula CaB₃O₅(OH). It is colorless and leaves a white streak. Its crystals are monoclinic prismatic. It is transparent and fluorescent. It has vitreous luster. It is not radioactive. Fabianite is rated 6 on the Mohs Scale. It was named for Hans-Joachim Fabian, a German geologist.

See also

• List of minerals

External links

• Webmineral Entry
• Mineral Handbook
• Crystal structure of fabianite, CaB30S(OH), and comparison with the structure of its synthetic dimorph . J. A. Konnert . J. R. Clark . C. L. Christ . Zeitschrift für Kristallographie . 132 . 241–254 . 1970 . 1–6 . 10.1524/zkri.1970.132.1-6.241 . 1970ZK....132..241K .
• Fabianite and its synthetic dimorph, CaB 3 O 5 (OH); new data . Richard C. Erd . G. Donald Eberlein . C. L. Christ . The Canadian Mineralogist . 10 . 1 . 108–112 . 1969 .

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.